Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://medvor.ru/uplcv?utm_term=free+instagram+followers+android PDF link annotation

  • https://rewaqousha.net/userfiles/files/30311257469.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/62602041498.pdfIn PDF document text
  • http://seibyou-koujien.com/files/files/welewujejibukitupugon.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16144cf8b346ae---73992973135.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/vuxomujaragabijagapalafeb.pdfIn PDF document text
  • http://betonkeritesek.eu/Content/files/mimedavezazuwinakisa.pdfIn PDF document text
  • https://bakotech.at/uploads/ckeditor/files/17212155492.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/84723990921.pdfIn PDF document text
  • http://fohow77.ru/upload/file/zafaluratepetux.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/59604573726.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/4006c07e5a9e9f66c9c39afd5a06f656/tebew.pdfIn PDF document text
  • http://telesson.net/_UploadFile/Images/file/nazepaxekudironaxa.pdfIn PDF document text
  • https://resttour.com/images/userfiles/files/47703766699.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/68e554f2f652cb9512bdabc3fb73c290/21243616380.pdfIn PDF document text
  • https://nitdgp.ac.in/uploads/userfiles/files/kuzawemutavugilumorexo.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///sadip.pdfIn PDF document text
  • http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/jabenoxuwosugewu.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/buduvevuxigulawoguso.pdfPDF link annotation
  • http://bezagsecurity.cz/userfiles/pipovidezuzoxol.pdfIn PDF document text
  • http://mexvp.com/ckfinder/userfiles/files/nonakepelufakovudonutokad.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d2c20be4f---184147767.pdfIn PDF document text
  • http://pactolous.hu/upload/file/niwotobov.pdfIn PDF document text
  • http://bjsixiang.com/jingkelun/userfiles/files/20210911044720.pdfIn PDF document text
  • http://luchetti.it/userfiles/files/rusexajix.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/48185095065.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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